Logical and entertaining problems (300 problems). Questions to test your wits

Logic problems - These are tasks that are aimed at developing thinking, the ability to think, and grasp the connection between concepts. They teach children to find the relationship between cause and effect and predict the outcome.

Intellectual development of a child preschool age is an important step to prepare for school. Thinking is a cognitive process, the approach to which is significantly different in adults and children. An adult has a set of ready-made knowledge, but a child learns everything for the first time, so everything is interesting and entertaining for him. In this unfamiliar world, the child still does not understand everything; he asks a lot of questions, explores on his own, makes own conclusions. That is why the development of logical thinking in children is not important. small role in preparation for school.

Development of logical thinking through tasks and riddles.

Logical thinking is thinking based on reasoning, combining different areas of knowledge in order to ultimately formulate an answer to the question posed in the problem. All types of logical thinking are closely related to speech. Logic games and tasks are of great importance in raising and teaching children. They are interesting to the child, draw him in and make him think.

Logic problems for children

In this article I want to offer logic problems with answers for children . These are easy logic problems, some of which are familiar to us from childhood. Try to find the answer to these riddles with your children. They are selected for children of older preschool age (5-7 years), because at this age the child is already good at reasoning and thinking.

How to find last year's snow?
Go outside immediately after the start of the new year.
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What rocks are not in the sea?
Sukhikh
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How do day and night end?
With a soft sign
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What will happen to a white scarf if it is dropped into the Black Sea?
It will become wet.
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The magpie is flying, and the dog is sitting on its tail. Could it be?
Yes, the dog is sitting on its own tail, a magpie is flying nearby
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How many nuts are there in an empty glass?
Not at all. The glass is empty.
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What needs to be done to keep five guys in one boot?
Each of them take off a boot
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What is 2+2*2?
Six

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In which month does chatty Svetochka talk the least?
In February - the shortest month
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What is yours, but others use it more than you?
your name
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What word always sounds wrong?
Wrong
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A person has one, a cow has two, a hawk has none. What is this?
Letter -O-
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A man is sitting, but you cannot sit in his place, even if he gets up and leaves. Where is he sitting?
On your knees
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What sign should be placed between 4 and 5 so that the result is more than 4 and less than 5?
Comma
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How to bring water in a sieve?
Freezing her.
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Can a rooster call itself a bird?
No, because he can't speak.
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What disease has no one on earth ever had?
Nautical
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Is it possible to predict the score of any match before it starts?
Yes, 0 - 0
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What can you cook but can't eat?
Lessons
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What becomes a third larger when placed upside down?
Number 6
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One corner of the square table was sawed off. How many corners does the table have now?
Five.

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Which knot cannot be untied?
Railway
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What is the cow in front and the bull behind?
Letter -O-
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Which river is the scariest?
Tiger
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What has no length, depth, width, height, but can be measured?
Temperature, time
***
What are all the people on earth doing at the same time?
Getting older
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Two people were playing checkers. Each played five games and won five times. Is this possible?
Both people played different games with other people.
***
How can a thrown egg fly three meters without breaking?
You need to throw the egg more than three meters, then the first three meters it will fly intact.
***
The man was driving a large truck. The car's headlights were not on. There was no moon either. The woman began to cross the road in front of the car. How did the driver manage to see her?
It was a bright sunny day.
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Where is the end of the world?
Where the shadow ends.
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Man learned from spiders how to build suspension bridges, and from cats he learned camera apertures and reflective lenses. road signs. What invention came about thanks to snakes?
Syringe.
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What can you easily pick up from the ground, but cannot throw far?
Poplar fluff.
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What comb can you use to comb your head?
Petushin.
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What do you drop when you need it and pick it up when you don't?
Anchor.
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What can travel around the world while remaining in the same corner?
Postage Stamp.
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You are sitting on an airplane, in front of you is a horse, behind you is a car. Where are you at?
On the carousel
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What notes can be used to measure distance?
Mi-La-Mi.
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What won't go into the biggest pot?
Its cover.
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Russian mystery. A wooden river, a wooden boat, and wooden smoke flowing over the boat. What is this?
Plane.
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A satellite makes one revolution around the Earth in 1 hour 40 minutes, and another in 100 minutes. How can this be?
One hour and forty minutes is equal to one hundred minutes.
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Name at least three animals that Moses took into his ark?
Prophet Moses did not take animals into the ark; righteous Noah did this.
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In one hand the boy carried one kilogram of iron, and in the other the same amount of fluff. Which was heavier to carry?
Same.
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In 1711, a new unit of 9 people appeared in each regiment of the Russian army. What is this division?
Regimental orchestra.
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There is a well-known story about a little boy who, having received a New Year's gift, asked his mother: “Please take off the lid. I want to pet the gift.” What kind of gift is this?
Turtle.
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Which animals always sleep with their eyes open?
Fish.
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It is known that at one time, silkworm eggs were exported from China on pain of death. What animal was exported from Afghanistan in 1888 with the same risk?
Afghan Hound.
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What insects have been domesticated by humans?
Bees.
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A problem invented by the learned monk and mathematician from Ireland Alcuin (735–804).
The peasant needs to transport a wolf, a goat and a cabbage across the river. But the boat is such that only a peasant can fit in it, and with him either one wolf, or one goat, or one cabbage. But if you leave a wolf with a goat, then the wolf will eat the goat, and if you leave a goat with cabbage, then the goat will eat the cabbage. How did the peasant transport his cargo?
Solution 1.: It is clear that we have to start with a goat. The peasant, having transported the goat, returns and takes the wolf, which he transports to the other bank, where he leaves it, but he also takes the goat and takes it back to the first bank. Here he leaves her and transports the cabbage to the wolf. Then, returning, he transports the goat, and the crossing ends safely.
Solution 2: First, the peasant again transports the goat. But the second one can take the cabbage, take it to the other bank, leave it there and return the goat to the first bank. Then transport the wolf to the other side, return for the goat and again take her to the other side.
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In the old days in Rus' married women They wore a headdress called kokoshnik, the name of which comes from the word “kokosh”, meaning animal. Which?
Chicken (remember what she says when she lays eggs?).
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Why can't a porcupine drown?
Its needles are hollow.
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To take a breath of air, dolphins are forced to surface every 15-30 minutes. Why don't they suffocate in their sleep?
They don't sleep at night.
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83. Name the fifth largest country by area after Russia, China, Canada and the USA.
Brazil.
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The man went to the market and bought a horse there for 50 rubles. But he soon noticed that the horse had become more expensive, and sold it for 60 rubles. Then he realized that he had nothing to ride on, and bought the same horse for 70 rubles. Then he thought about how not to get a scolding from his wife for such an expensive purchase, and sold it for 80 rubles. What did he earn as a result of manipulation?
Answer: -50+60-70+80=20
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The only bird with ears?
Owl.
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The two approached the river at the same time. The boat on which you can cross can only support one person. And yet, without outside help, everyone crossed on this boat to the other side. How did they do it?
They sailed from different shores.
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IN Chinese the combination of three hieroglyphs for “tree” means the word “forest”. What does the combination of two hieroglyphs “tree” mean?
Grove.
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Residents of Kansas are very fond of Russian nuts. What is it if it is known that we can find them in any market?
Seeds.
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The Romans introduced a revolutionary innovation into the design of the fork - all subsequent models were just variations of the solution found. What kind of fork was there before this innovation?
One-toothed.
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Chinese martial artists said that fighting is for fools, but victory is for smart people. And what, in their opinion, is for the wise?
World.
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Name the language that is native to the largest number of people.
Chinese.
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IN Ancient Rus' they were called broken numbers. What are they called nowadays?
Fractions.
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A brick weighs two kilograms and half a brick. How many kilograms does a brick weigh?
If half a brick weighs two kilograms, then a whole brick weighs four kilograms.
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For some reason, these people, returning to their homeland, brought with them branches of exotic plants, for which they received their nickname. What kind of people are these?
Pilgrims, they brought palm leaves.
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In terms of production volume, bananas occupy first place in the world, followed by citrus fruits. What fruits are on the third?
Apples.
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In the US state of Arizona, they began to protect the desert from thieves. They steal something without which the desert is threatened with desolation and devastation. What do thieves take from the desert?
Cacti.
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Name the plant that has the largest fruits.
Pumpkin.
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Neither fish nor fowl - what was this Russian proverb originally about?
In crayfish.
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In Spain they are called Portuguese, in Prussia - Russians. What are they called in Russia?
Cockroaches.
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What kind of utensils make it impossible to eat anything from?
From empty
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Who do the Malays catch with a locked bumboo cage with a live pig inside?
Pythons, having eaten a pig, could no longer get out of the cage.
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A hedgehog has 4 g, a dog has 100 g, a horse has 500 g, an elephant has 4-5 kg, and a human has 1.4 kg. What?
Brain mass.
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In 1825, the streets of Philadelphia were cleared of trash by domestic animals. Which ones?
Pigs.
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Grandmother knitted scarves and mittens for her grandchildren for the winter. In total, she knitted three scarves and six mittens. How many grandchildren does grandma have?
Three grandchildren
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What dish was invented in the 17th century by Marco Aroni?
Pasta.
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What does any astronaut lose during a flight?
Weight.
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As you know, all original Russian female (full) names end in either A or Z: Anna, Maria, Olga, etc. However there is one thing female name, which does not end in either A or Z. Name it.
Love.
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The Gallic priests found a fail-safe way to quickly mobilize soldiers in the event of war. To do this, they sacrificed only one person. Which one?
The last one to arrive.
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Once in the city of Nice they held a competition for the most enduring smoker. One of the participants set a record by smoking 60 cigarettes in a row. However, he did not receive the prize. Why?
He died.
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Humans have thirteen pairs of ribs. Who has more than three hundred ribs?
At the snake.
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Everyone knows that “you can’t wash dirty linen in public.” But what was supposed to be done with it if it couldn’t be taken out?
Burn.
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In what place did Russian men put on hats and mittens, regardless of the time of year?
In the bath.
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How is smelt fish similar to birds?
She makes nests, laying eggs there.
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Name an agricultural crop that is 90% burned and 10% wasted.
Tobacco.
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The Greeks used this to protect certain parts of their body. This was made from sandalwood bark. Name it.
Sandals.
***
The first greenhouses appeared in France. Why do you think?
For growing oranges (orange - orange).
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The owner of the largest horn is the white rhinoceros (up to 158 cm). Which animal has the softest horns?
Snail.
***
This is what football referees used before they used the whistle.
Bell.
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What is dirty when it is white and clean when it is green?
Blackboard.
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In practice, when moving along a curve, this ball makes 5,000 revolutions per minute, and when moving in a straight line, more than 20,000 revolutions per minute. Where is this ball located?
In a ballpoint pen.
***
The great Hippocrates was asked: “Is it true that genius is a disease?” “Certainly,” replied Hippocrates, “but very rare.” What other property of this disease did Hippocrates note with regret?
Not contagious.
***
What was the name of the city in England where, in 1873, the Indian game, popular to this day, was first demonstrated?
Badminton.
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Where, judging by the name, did the ancient Slavs attach the case for hunting edged weapons?
On the foot. This is a scabbard.
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The three painters had a brother, Ivan, but Ivan had no brothers. How could this be?
Ivan had three sisters.
***
The Italian flag is red, white and green. What cut berry helped the Italians choose these colors?
Watermelon.

Entertaining tasks for children and their parents

This material may be of interest to educators of preparatory groups, teachers primary school, parents who are engaged in the formation of non-standard thinking in children. The tasks are accessible for children of older preschool age, interesting for schoolchildren and even adults.
Pochaeva Tatyana Anatolyevna, teacher-psychologist MBDOU " Kindergarten No. 2" Konakovo

Target: development of the child's abilities
Tasks:
- to interest the child in solving non-standard problems;
- develop imaginative and logical thinking;
- offer material for spending leisure time in the family.

Working with children, I always tried to develop creative, out-of-the-box thinking in them. Problems that require the ability to add or subtract numbers or count to one hundred are well suited for this purpose. Finding such tricky puzzles is half the battle; arousing children’s interest in solving them is a more difficult matter. It’s difficult because the classes are very strictly time regulated; they are not designed to solve non-standard problems. I still manage to do something, but I always want more.

In past academic year at a parent meeting in preparatory group I suggested an option: at the end of the week, each child will receive an envelope with a task. This problem must be solved within a week and the answer sent to me in an envelope. This is a voluntary matter, if you want to participate, if you don’t want to, it’s your will. Of course, everyone wanted to, but after two months there were fewer people willing, because often the parents (!) themselves did not understand how to solve this or that problem. And it's very sad. Only one girl reached the finish line, which was quite predictable.

So, the simplest problem that I offered to children in class was: “How to divide 3 apples lying in a basket between three girls so that each girl gets 1 apple, and one apple remains in the basket?” The children immediately begin to offer to cut 2 apples, but this does not correspond to the conditions of the task, which states that each girl should receive a whole apple. Then I pick up a basket with 3 apples and ask one of the children to fulfill the condition of the task - divide the apples. At this moment, insight occurs - we take one apple along with the basket!

1. Misha returned from fishing happy.
- How many fish did you catch? – his comrades asked.
- I will not say. But he ate both of them himself.
How many fish did Misha catch?
This is a very easy task, but when a child does not hear the usual numbers, he at first does not understand how to solve it.

2. Marina had 7 sweets. She gave 2 candies to her sister Katya, who also had candies. After this, the sisters had the same amount of candy. Think about how many sweets Katya had at first?
Also one of simple tasks, but in class 2-3 people can solve it right away, the rest do not have time to figure it out on their own.

3. How many squares do you need to take to cover a cube, gluing 1 square on each side?

4. 3 people waited for the train for 3 hours. How long did everyone wait?

5. Three fishermen eat three fish in three days. How many days will it take five fishermen to eat five fish?
Solution: If 3 fishermen eat 3 fish in 3 days, then 1 fisherman eats 1 fish in 3 days. Therefore, 5 fishermen will eat 5 fish in the same 3 days, and not in 5, as both children and adults often answer.

6. 2 hens laid 2 eggs in 2 days. How many eggs will 4 hens lay in 4 days?
Solution: 2 hens lay 2 eggs in 2 days, therefore 1 hen can lay 1 egg in 2 days. In 4 days, 1 chicken will lay 2 eggs, and 4 chickens will lay 8 eggs in 4 days.
Answer: 8 eggs.

7. One Winnie the Pooh eats 1 jar of honey in 1 hour. How many Winnie the Poohs can eat 5 jars of honey in 5 hours?
Solution: in 1 hour Vini eats 1 jar of honey, therefore in 2 hours he will eat 2 jars, in 3 - 3 jars, etc.
Answer: one Winnie the Pooh will eat 5 jars of honey in 5 hours.

8. Vanya lives in a 12-story building, on the 9th floor, if you count from above. What floor does Vanya live on?
Solution: If you ask a preschooler to solve this problem, it is best to ask him to draw a 12-story building and count the floors in reverse order. If the child is already in school, he can solve the problem in his head without relying on a drawing. It turns out that if you count from bottom to top, after the 9th floor there will be three more floors left: the tenth, eleventh, twelfth. If we count from top to bottom, then after the ninth floor, on which Vanya lives, there will still be three more left: the third, the second, the first. Therefore, Vanya lives on the 4th floor.

9. Forgetful and Confused bought in shoe store several pairs of boots, and total number boots turned out to be a single digit number. When the gnomes returned home, Confusion began to divide the purchases. He did it so cunningly that at the end of the division he had 8 more boots than his friend. How many boots did the surprised Forgotten get?

Solution: to solve this problem, the child must know what the words “pair” and “ single digit number" The dwarves could not buy 10 boots, because the number 10 is a two-digit number. They couldn't buy 9 boots because shoes are always sold in pairs. If they bought 8 boots, then all these boots went to Confusion, and Forgotten got nothing.

10. The pig weighs 2 kg and another half a pig. How much does a pig weigh?
Solution: The pig weighs 2 kg and another half a pig. We understand that the weight of two halves is equal to the weight of the pig; if one half weighs 2 kg, then the whole pig weighs 4 kg.

11. The elevator rises to the third floor in 6 seconds. How many seconds will it take him to reach the fifth floor?
Solution: in 6 seconds the elevator covers two flights - from the first to the second floor and from the second to the third. Therefore, the elevator travels one flight in 3 seconds. To get to the fifth floor, you need to drive 4 flights. This will take 12 seconds.

12. The confused girl goes to the cage with the tiger. Every time he takes 2 steps forward, the tiger roars and the dwarf takes 1 step back. How long will it take him to reach the cage if there are 7 steps to it, and Confused takes 1 step in 1 second?
Solution: When solving this problem, you should use a picture, from which it will be clear that moving 2 steps forward and 1 step back, Confusion spends 3 seconds to get 1 step closer to the cage with the tiger. But having approached 5 steps in 15 seconds, he takes the last steps in 2 seconds and ends up at the cage.
Answer: in 17 seconds, Confusion will reach the cage.

13. Once upon a time there lived the Serpent Gorynych. He was very picky about food. His right head I didn’t like fruit and couldn’t stand cutlets. His left head I couldn't stand pears. For lunch they served pears, ice cream and cutlets. What will each Gorynych head choose for lunch?
Solution: the right head will choose ice cream, the left head will choose cutlets, the middle head, as the most picky head, will get pears.

14. Two wallets contain 4 coins, and one wallet contains twice as many coins as the other. How is this possible?
Solution: To make this happen, we put two coins in each wallet, and then put one in the other. It turns out that it now contains 4 coins, which is 2 times more than in the other wallet.

15. A small military detachment approached the river. The bridge is broken and the river is deep. What should I do? Suddenly the officer noticed two boys playing in a boat by the river. The boat is so small that only one soldier or only two boys can cross it - no more! However, all the soldiers crossed the river on this boat. How did they manage to do this?
Solution: First, both boys are transported in a boat. One of them remains on the other side, and the second boy returns and gives the boat to one of the soldiers. He is crossing the river. The boy waiting for him on the shore takes the boat and sails to the others. Then the cycle repeats until all the soldiers have crossed.

To solve the problems in this section you do not need to have absolutely any mathematical knowledge, you just need to have some intelligence and simple common sense.

Amazing clock (Chinese puzzle)

Once a watchmaker was urgently asked to come to one house.

“I’m sick,” the watchmaker answered, “and I won’t be able to go.” But if the repair is not difficult, I will send you my student.

It turned out that the broken arrows needed to be replaced with others.

My student can handle this,” said the master. - He will check the mechanism of your watch and select new hands for it.

The student did his work very diligently, and when he finished examining the clock, it was already dark. Considering the work completed, he hastily put on the selected hands and set them on his watch: the large hand on the number 12, and the small hand on the number 6 (it was exactly 6 o’clock in the evening).

But soon after the apprentice returned to the workshop to tell the master that the job was done, the phone rang. The boy picked up the phone and heard the angry voice of the customer:

You didn't fix the clock properly; it shows the time incorrectly.

The master's apprentice, surprised by this message, hurried to the customer. When he arrived, the clock he had repaired showed the beginning of nine. The student took out his pocket watch and handed it to the angry owner of the house:

Please check. Your watch doesn't lag a second.

The stunned customer was forced to agree that his watch was this moment actually show the correct time.

But the next morning the customer called again and said that the clock hands had obviously gone crazy and were wandering around the dial as they pleased. The master's apprentice ran to the customer. The clock showed the beginning of eight. Having checked the time on his watch, he became seriously angry:

You are laughing at me! Your watch shows exact time!

The clock really showed the exact time. The master's indignant student wanted to leave immediately, but the master held him back. And after a few minutes they found the cause of such incredible incidents.

Can't you guess what's going on here?

Clock stopped

One man did not have a pocket watch, but only a wall watch, which stopped one day. He went to his friend, whose watch was running impeccably, found out the time and, without staying long, returned home. At home, he quickly made simple calculations and set the hands of the wall clock to the position corresponding to the exact time.

How did he act and reason if he did not first know how long the journey took?

Two columns

Eight pieces of paper with the numbers 1, 2, 3, 4, 5, 7, 8 and 9 are arranged in two columns, as shown in the figure:

By moving only two pieces of paper, you need to make sure that the sums of the numbers in both columns become the same (at the same time, the total number of pieces of paper in the columns should remain equal to 8).

Moscow - Tula

At noon, a bus with passengers leaves Moscow for Tula, traveling at a speed of 75 km/h. An hour later, a cyclist leaves Tula for Moscow and rides along the same highway at a speed of 25 km/h. When bus passengers and a cyclist meet, which of them will be further from Moscow?

Envelope with money

Dad called his daughter, asked her to buy some of the things he needed for his departure, and said that the money was in an envelope on his desk. The girl, glancing briefly at the envelope, saw the number 98 written on it, took out the money and, without counting it, put it in her bag, crumpled the envelope and threw it away.

In the store she bought 90 rubles worth of things, and when she wanted to pay, it turned out that not only did she not have eight rubles left, as she had expected, but she was even four rubles short.

At home, she told her dad about this and asked if he had made a mistake when he counted the money. The father replied that he counted the money correctly, but she herself was mistaken. What was the girl's mistake?

Half term

In a certain kingdom, the king issued a decree:

“Let none of the unfortunate prisoners in our prison serve in a single day more than half of his remaining sentence!”

Let us explain the will of the king. It doesn’t matter how much a prisoner is sentenced to, but if he has, for example, 1 year left in prison, then he needs to be released in exactly six months. The decision, of course, is humane, but it put the prison director in a difficult position: what to do with those sentenced to life, since the king’s will must be carried out exactly...

What should the warden do?

Note: It is, of course, not permitted to shorten the life of a prisoner by violent means in such a situation.

At high tide

Not far from the shore there is a ship with a rope ladder launched along the side. The staircase has 10 steps; the distance between the steps is 30 cm. The lowest step touches the surface of the water. The ocean is very calm today, but the tide is starting to rise, raising the water 15 cm every hour. How long will it take for the third step of the rope ladder to become covered with water?

Card trick

The magician takes a deck of cards (52 pieces), face down, counts out 20 of them, turns them face down and hands them to the spectator. The spectator, having mixed the inverted cards with the entire deck, carefully shuffles the deck so that the inverted cards are randomly distributed in it. Then, holding the deck under the table so that the cards are not visible, he counts out the top 20 cards and passes them to the magician.

The magician, taking the stack and still holding it under the table, says: “Now, by touch, I will try to equalize the number of turned over cards in my part of the deck and in yours. To do this, I will need to turn over a few more cards.” Then, after small manipulations, still under the table, he pulls out his cards, lays them out on the table, and counts the ones turned upside down. There are exactly as many of them as among the spectator’s 32 cards.

What is the secret of this trick?

Incorrigible debater

I remember there was one student in our group who was an avid debater. On almost any occasion he offered to make bets, which, as a rule, he won. So, he bet that he would be able to guess what the score would be in the match “Spartak” - “Torpedo” before the start of this match. Another time, he bet that in a small international football tournament that was starting, not a single football player would score a single goal. And, imagine, he won this argument.

It must be admitted that sometimes he lost, but he was not very upset. I remember he bet a ruble with another student that if he gave him 5 rubles, he would give 100 rubles in change. And he lost this bet.

Since he considered himself a clairvoyant and denied this to everyone else, he offered the following bet as proof. He describes on paper some event that will or will not happen within the next 10 minutes. This note is placed on the table under an ashtray or other object. His opponent, in turn, writes one word on paper: “yes” or “no.” It is clear that “yes” means that the supposed event will happen, and “no” means that it will not happen. After 10 minutes, the notes are read out, and if our student’s opponent guesses right, he receives 100 rubles, but if he doesn’t guess, he pays the student 1 ruble. Could you guess what event our student's note was talking about if he, in principle, could not lose?

Schoolchildren on the bus

3rd grade schoolchildren from a Moscow school took a bus excursion to Volokolamsk. One of them, talking at home about this trip, drew the following picture:

Is it possible to determine from this picture where the bus is going, to Moscow or to Volokolamsk?

Election of the Secretary General

At the founding congress of the Nomenklatura for Democracy party, elections for the party's general secretary should take place. In accordance with the regulations, elections are held according to a two-stage scheme: if at the first stage none of the candidates receives more than half of the votes, then a second round is held in which two candidates who received greatest number votes in the first round.

All delegates to the congress were divided into three factions: “New Wave”, “Servants of the People” and “Fundamentalists”, which included, respectively, 40%, 32% and 28% of all delegates to the congress. Each faction nominated its own candidate - Akseleratov, Baranov and Volkov, respectively. It is also known that if their candidate fails in the second round, supporters of A will mostly support B, supporters of B in this case will be divided approximately in half between A and B, and, finally, supporters of B will support B.

Danetki

Danets are a type of puzzle-riddle that is a description of strange, unusual situations. To solve the puzzle, players can ask clarifying questions to the presenter. The presenter has the right to answer only “Yes” or “No”.

Read more about Danets...

Danets are a type of puzzle-riddle that is a description of strange, unusual situations. As a rule, a Danetka riddle does not contain a clear question. Players just need to figure out how such a situation could arise. To unravel the reasons for the occurrence, or the background, of this situation, the players ask the presenter clarifying (leading) questions. The presenter has the right to give three types of answers: “yes”, “no” and “doesn’t matter” (options: “not important”, “not important”). Hence the name of the game.

These games are simple in nature. At the same time, they develop logical thinking skills. Experienced Danetka solvers form their own chains of questions - algorithms. This is why Danets are often used in computer science textbooks.

Games close in meaning to the Danet games are “Warm and Cold”, “Don’t Say Yes and No, Don’t Take Black and White”. In a certain sense, the last game is the opposite in meaning to the Danets, since in it you cannot answer clarifying questions “yes”, “no”, “white”. "black".

It is probably impossible to find out who the inventors of this type of puzzle are. However, there is an author of books about non-standard, extraordinary thinking, who created a whole series of riddles based on the principle of Danets. This author is Paul Sloan. In this section, we will introduce you to the danetkas from P. Sloan’s book “Original puzzles for lateral thinking” (Lateral thinking puzzles), as well as to the danetkas collected on the Internet.

Those interested in the issues of non-standard thinking are advised to read another book by P. Sloan - “The Art of Thinking Outside the Box.”

How to solve money...

They say that when North American Indians For the first time they saw the horsemen, they mistook them for some unknown creatures with four legs and two arms. Very often, when faced with a new situation or problem, we turn to previous experiences and form a quick but erroneous judgment. We make too many assumptions, ask too few questions, and end up with the wrong conclusions.

Danets are designed to be a fun antidote to any bad habits lazy or inflexible thinking. These puzzles, if you try to solve them in small companies, can be an entertaining game and train the flexibility of the brain. Someone may know the solution, and others—family members, friends, or colleagues—will ask questions to find that solution. Of the questioners, the most successful are those who have a rich imagination and logical abilities, who check all the assumptions, and then try to narrow the field of search, asking whenever possible general issues, before going into specific details.

As a rule, puzzles do not have unclear solutions and do not require special knowledge. They are not intended to deliberately confuse the reader. The exception is the VASLYU Tests, which contain special questions where various dishonest tricks are used to confuse you.

These puzzles are designed to test your questioning ability, logical abilities and perseverance. If a direct approach leads to a dead end, try to approach the problem with different sides. Don't look for direct answers, otherwise you will lose all the charm of the game. If nothing works out for you at all, turn to the tips for help.

Remember that in life there are no answers at the end of the book!

Let's start with what is intelligence? Quick wit– this is the ability to think, but not just think, but to look for unusual, interesting and simple solutions. That is intelligence– the ability to achieve results in the shortest way without following mandatory rules.

A smart person is a person who will not build a complex machine, but if the machine breaks down, he will find The best decision for repairs.

Development of intelligence

Intelligence is important at any age, no matter whether you are a preschooler, a schoolchild, a student or an adult. Use the exercises, games and challenges below to achieve your goal. But that's not all you need. There are certain tips to achieve your goal faster:

To make your brain work faster, you need to slow down. You just need to stop pushing your brain, which is looking for a way out of the situation.
There's a lot in life stressful situations, and at this time the body produces a substance - cortisol. This substance has the ability to kill brain cells. If you are not in a hurry in the morning, then this exercise is for you. It is not at all difficult, but on the contrary very pleasant. Don’t get up, lie down, think about good and pleasant things, lie down longer, lift your mood, recharge in a great mood all day.
Get into the habit of solving problems and puzzles regularly. It is necessary to keep your brain in good shape, otherwise there can be no talk of any intelligence. By fulfilling this condition, you doom the preservation of intelligence.
Don't neglect music. Learned people have proven that classical works have a positive effect on the brain. For example, you can try listening to works by Mozart, Bach, Vivaldi, Beethoven, and so on. If you don’t like the classics, you can try the classics with a modern twist. Many modern performers play classical music in a modern style and even write their own works.
Be optimistic. Believing in yourself accelerates the development of brain function. An optimistic person expands his horizons faster.
Proper nutrition is the key to excellent intellectual activity. Because with proper nutrition the body and brain get what they need nutrients. For example: B vitamins, folic acid. Include more fruits, nuts, vegetables, and dairy products in your diet. For example, milk contains about 40 beneficial amino acids. No one else natural product doesn't contain that much useful stuff.

Intelligence tests

Test 1. What number is hidden under the car?

Options: 87 66 96

Test 2. Where does the bus go?

Options: Left, right, standing still

Test 3. What horse doesn't eat oats?

Test 4. A corner of a rectangular table was sawed off, how many are left?

Options: 3, 4, 5.

Test 5. What should you not eat during breakfast?

Test 6. What will a white horse look like if you wash it?

Answer: wet

Test 7. Not a single person could untie this knot, and it exists.

Game "Letters and numbers"

Trains concentration
Improves reaction speed
Develops logic and intelligence

Immediately after the start, one letter and one number will be shown in one of the four windows, for example, “U6”. And under the letter with the number a question will appear, for example, “Is the number odd?” or “Is the letter a consonant?” You need to answer questions as quickly as possible.

Color matrix game

Also an excellent trainer for development of intelligence will become a “color matrix” game. A field of cells will open in front of you, each of which will be painted in one of two colors. And your goal will be to indicate which color is more on the field at the moment, 1st or 2nd. The game, of course, is for a while and therefore you have to try. As the game progresses, the field will expand, that is. the game becomes more difficult.

Game "Simplification"

The game “Simplification” is a wonderful trainer, not only for mental calculation, but also for intelligence. You will come across examples both simple and complex. But not everything is so complicated in reality, you just need to figure out how to simplify, calculate or find the answer from the ones proposed. To do this, you will have to use your intelligence!

Visual search

Develops voluntary attention
Improves concentration
Improves attention span

Figures will appear on the screen, among which you need to choose a unique one that is in no way similar to other figures. Some figures may differ in just one small detail, which you need to learn to quickly find. With each successful round the difficulty increases and more points are given :)

Game "Flank task"

The picture shows a flock of birds, and you will be required to indicate the direction of flight central birds. At first you may be confused, but then it will get better. Go!

Game "Super Memory"

Trains visual memory
Increases memory capacity
Improves memory accuracy

With each move, one new picture appears on the screen. You need to quickly find it and click on it to score as many points as possible in 1.5 minutes. The first 5-7 moves are very easy, and then it becomes noticeably more interesting and difficult.

Courses to develop intelligence

In addition to games, we have interesting courses that will perfectly pump up your brain and improve your intelligence, memory, thinking, and concentration:

Development of memory and attention in a child 5-10 years old

The course includes 30 lessons with useful tips and exercises for children's development. In every lesson helpful advice, several interesting exercises, an assignment for the lesson and an additional bonus at the end: an educational mini-game from our partner. Course duration: 30 days. The course is useful not only for children, but also for their parents.

Secrets of brain fitness, training memory, attention, thinking, counting

If you want to speed up your brain, improve its functioning, improve your memory, attention, concentration, develop more creativity, perform exciting exercises, train in a playful way and solve interesting problems, then sign up! 30 days of powerful brain fitness are guaranteed to you:)

Money and the Millionaire Mindset

Why are there problems with money? In this course we will answer this question in detail, look deep into the problem, and consider our relationship with money from psychological, economic and emotional points of view. From the course you will learn what you need to do to solve all your financial problems, start saving money and invest it in the future.

Super memory in 30 days

As soon as you sign up for this course, you will begin a powerful 30-day training in the development of super-memory and brain pumping.

Within 30 days after subscribing you will receive interesting exercises and educational games to your email, which you can use in your life.

We will learn to remember everything that may be required in work or personal life: learn to remember texts, sequences of words, numbers, images, events that happened during the day, week, month and even road maps.

Speed reading in 30 days

Would you like to quickly read books, articles, newsletters, etc. that interest you? If your answer is “yes,” then our course will help you develop speed reading and synchronize both hemispheres of the brain.

With synchronized, joint work of both hemispheres, the brain begins to work many times faster, which opens up much more possibilities. Attention, concentration, speed of perception intensifies many times over! Using the speed reading techniques from our course, you can kill two birds with one stone:

Learn to read very quickly
Improve attention and concentration, as when fast reading they are extremely important
Read a book a day and finish your work faster

We speed up mental arithmetic, NOT mental arithmetic

Secret and popular techniques and life hacks, suitable even for a child. From the course you will not only learn dozens of techniques for simplified and quick multiplication, addition, multiplication, division, and calculating percentages, but you will also practice them in special tasks and educational games! Mental arithmetic also requires a lot of attention and concentration, which are actively trained when solving interesting tasks.

Bottom line

In this article we learned what intelligence is, how to develop it, we looked at tasks, games, tests and riddles for intelligence!